8
x900 Series Switch and SwitchBlade
®
x908
C613-03092-00 REV J
Gigabit Switches
The AT-9900 series switch provides advanced Gigabit Ethernet multi-layer
switches that are perfect for the high-density rack environment where space is
at a premium:
■
AT-9924T
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AT-9924SP
Dimensions
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Height: 44.5 mm, plus 5.1 mm if the rubber feet are used
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Width: 440 mm, excluding rack-mounting brackets
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Depth: 440 mm, excluding PSU handles
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Weight: Not more than 7.3 kg (16.1 lbs) unpackaged, which includes one
power supply unit (PSU) and one fan-only module (FOM)
Mounting system
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1U rack
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19-inch rack-mount kit
Asynchronous
serial port
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Up to 115 kbps
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Universal Asynchronous Receiver Transmitter (UART)
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Standard RJ-45 connector
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Hardware flow control
Environmental
conditions
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Operating temperature range: 0ºC to 50ºC (32ºF to 122ºF)
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Storage temperature range: -25º C to 70º C (-13ºF to 158ºF)
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Relative humidity range for operation: 5% to 80% non-condensing
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Relative humidity range for storage: 5% to 95% non-condensing
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Operational altitude: 3,050 metres maximum (10,000 feet)
Regulatory
standards
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EMC: EN55022 class A, FCC class A, and VCCI class A.
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Immunity: EN55024, EN61000-3, levels 2 (Harmonics), and 3 (Flicker)—
AC models only
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Safety: UL60950-1, CAN/CSA-C22.2 No. 60950-1-03, EN60950-1,
AS/NZS60950.1, and EN60825-1
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Certification: UL, cUL, and TUV
Switching core
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Application-Specific Integrated Circuit (ASIC) switch chip
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High performance IPv4 switching with separate packet buffer memory
Processing core
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350 MHz RISC Processor
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16 MBytes of on-board flash with provision for an additional 16 MBytes
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CompactFlash card slot on the front panel for hot-swappable expansion of
flash memory
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256 MBytes of Synchronous DRAM, expandable to 512 MBytes with DIMM
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512 kBytes of NVSRAM
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Silicon ID chip storing serial number, board ID, MAC address, and
hardware revision level
